JavaScript

To tell you the truth, the previous section of the prototype and prototype chain in the beginning of the study did not have a headache, the third version of the advanced programming to understand a few times, the closure of this section is really a

Text of the public numberThere are 5 basic types of javascript: boolean,number,null,undefined,string; and a complex type: object;Undefined: There is only one value, and the special undefined. When declaring a variable with VAR but not initializing

event handling for JavaScript1. Event handlingA) JavaScript is an object-and event-driven scripting languageb) When the state of an object changes, the object responds to this changec) function Funname ([Param[,para ...])2. Mouse Events - mouse

Document ObjectThe 1.document object is a Child of the Window object, can be used directly, and is used to get HTML page elements2.document Object PropertiesA) Alinkcolor activity link Colorb) LinkColor text link colorc) Vlinkcolor User has

JavaScript Code 123456789101112131415161718192021st22232425262728 JavaScript formatted date output

1. Dom operationDocument: The entire HTML file is called a documentElement: All tags are element elementsAttribute: Attributes inside the tagText: Content in the middle of the label is textNode:document, element, attribute, and text are collectively

1.window.location is a property of the Window object, and Window.Open is a method of the Window objectWindow.location is your reference to the URL address object of the current browser window!Window.Open is a function to open a new window!2.

Example: My pages javascript: is a pseudo protocoljavascript: Is the execution of a piece of JavaScript code when triggering default action, while javascript:; Indicates that nothing is done, so there is no response when you click

One, function definitionA function is actually an object that has properties and methods as well as other reference types. Functions can be defined in three ways, namely, function declaration syntax definitions, function expression definitions, and

you don't know JavaScript (medium volume) 　　JavaScript (in volume) notes you don't know

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced."System and Software Configuration"LR Version: 12.53JDK Version: 1.8Function:web_js_run, which provides support only in the LR12 version, LR11

var a = "Hello world";if (A.indexof ("Lo") >= 0) {//TrueFind a match}if (A.indexof ("xo") = =-1) {//TrueNo matches found}>= 0 and = = 1 This is not very good, called "abstract leakage", meaning that the code exposes the underlying implementation

Tag: Selected node content change HTML NTS delete node att beforeDOM defines a standard way to access and manipulate HTML documentsAccess (Find tags)----Direct Lookupdocument.getElementById ("Idname")document.getElementsByTagName ("TagName")Document.

Exception handling is a difficult point in asynchronous programming.In synchronized code, exceptions can be done very easily through a try Catch statement:Try { f (); g (); Catch (e) { // handle any error that occurred ...}In

First, function declaration and expressionfunction declaration: Functions Test () {};Test (); Operating normallyfunction Test () {};function expression: var test = function () {};Test UndefinedTest (); TypeErrorvar test = function () {};An

The birth background of JavaScriptIn the 90 's, the European and American countries of the Web programs are increasingly popular, but at that time users are also using telephone dial-up internet access, throughModem, the speed is only 28kb/s. And

The 1th Chapter--Basic articleJS IntroductionHTML page content; CSS Web page style; JavaScript Web page behaviori.e. Hello WorldDOCTYPE HTML>HTML>Head> MetaCharSet= "UTF-8"> title>Documenttitle>Head>Body> Scripttype=

Add animations for single-element art and element Art Original article: Animating Single Div ArtTranslation: nzbinIntroduction: The best way to learn tools is to try new technologies. This article introduces the use of CSS variables and several ways

Introduction to the array methods and objects added by ES6, Introduction to the addition of arrays by es6 Es6 will use this method to traverse the array, or the object, as well as the set and map methods. let arr=[1,2,3,4,3,2,1,2]; The simplest and

Vue-quill-editor enables Image Upload, Problem description The vue2.0 development used by the zookeeper project requires a Rich Text editor. After some psychological struggles, the landlord chooses vue-quill-editor. I will not go into details here